EP 1431860 A3 20041027 - Information protection
Title (en)
Information protection
Title (de)
Informationen Schutz
Title (fr)
Protection de l'information
Publication
Application
Priority
JP 2002355117 A 20021206
Abstract (en)
[origin: EP1431860A2] Authentication information encrypted by using a predetermined encryption method is added to contents information. When executing or reproducing the contents information by using an information processing apparatus, a decision is made whether information encrypted by using the predetermined encryption method is contained in acquired information. When such information is not contained, the contents information is not reproduced, executed, or output. <IMAGE>
IPC 1-7
IPC 8 full level
G06F 12/14 (2006.01); G06F 21/10 (2013.01); G06F 21/60 (2013.01); G06F 21/62 (2013.01); G11B 20/00 (2006.01); G11B 20/10 (2006.01); H04L 9/32 (2006.01); H04L 9/36 (2006.01); H04N 5/913 (2006.01); H04N 7/24 (2006.01); H04N 21/254 (2011.01); H04N 21/432 (2011.01); H04N 21/454 (2011.01); H04N 21/4627 (2011.01); H04N 21/835 (2011.01)
CPC (source: EP US)
G06F 21/10 (2013.01 - EP US); G06F 21/16 (2013.01 - EP); G11B 20/00086 (2013.01 - EP US); G11B 20/0021 (2013.01 - EP US); G11B 20/00246 (2013.01 - EP US); G11B 20/00304 (2013.01 - EP US); G11B 20/00333 (2013.01 - EP US); G11B 20/00449 (2013.01 - EP US); G11B 20/00514 (2013.01 - EP US); G11B 20/00528 (2013.01 - EP US); G11B 20/0084 (2013.01 - EP US); H04N 5/913 (2013.01 - EP US); H04N 21/2541 (2013.01 - EP US); H04N 21/4325 (2013.01 - EP US); H04N 21/4542 (2013.01 - EP US); H04N 21/4627 (2013.01 - EP US); H04N 21/835 (2013.01 - EP US); G06F 21/16 (2013.01 - US); H04N 2005/91342 (2013.01 - EP US)
Citation (search report)
- [X] EP 1154426 A2 20011114 - PIONEER CORP [JP]
- [X] WO 0017871 A1 20000330 - THOMSON MULTIMEDIA SA [FR], et al
- [A] EP 0969460 A2 20000105 - PIONEER ELECTRONIC CORP [JP]
- [A] WO 0203386 A2 20020110 - VERIFICATION TECHNOLOGIES INC [US], et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1431860 A2 20040623; EP 1431860 A3 20041027; JP 2004185782 A 20040702; US 2004114759 A1 20040617
DOCDB simple family (application)
EP 03257625 A 20031203; JP 2002355117 A 20021206; US 72765703 A 20031205